Team-scoped keys introduce the ability to restrict your token authentication keys to either development or production environments. Topic-specific keys in addition to environment isolation allow you to associate each key with a specific Bundle ID streamlining key management. For detailed instructions on accessing these features, read our updated documentation on establishing a token-based connection to APNs.

In order to create a Message Filter Extension it is necessary to set up Shared Web Credentials. I'd like to form an understanding of what role SWC plays when the OS is making request to the associated network service (when the extension has called deferQueryRequestToNetwork()) and how this differs from when an app directly uses Shared Web Credentials itself. When an app is making direct use of SWC, it makes a request to obtain the user's credentials from the web site. However in the case of a Message Filter Extension, there aren't any individual user credentials, so what is happening behind the scenes when the OS makes a server request on behalf of a Message Filtering Extension? A more general question - the documentation for Shared Web Credentials says "Associated domains establish a secure association between domains and your app.". Thank you

Simulator device failed to install the application. Domain: IXErrorDomain Code: 2 Failure Reason: Invalid placeholder attributes. User Info: { DVTErrorCreationDateKey = "2025-04-01 17:20:32 +0000"; FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:isFromSerializedPlaceholder:error:]"; IDERunOperationFailingWorker = IDELaunchiPhoneSimulatorLauncher; SimCallingSelector = "installApplication:withOptions:error:"; SourceFileLine = 981; } Failed to create app extension placeholder for /Users/eddiepeng/Library/Developer/Xcode/DerivedData/Omnit-bjygrdfdoommzzcnbjuvwoakvdkw/Build/Products/Release-iphonesimulator/Omnit.app/PlugIns/OmnitTranslationExtension.appex Domain: IXErrorDomain Code: 2 Failure Reason: Failed to create promise. User Info: { FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:isFromSerializedPlaceholder:error:]"; SourceFileLine = 981; } Failed to set placeholder attributes top.delta17.Omnit.OmnitTranslationExtension Domain: IXErrorDomain Code: 2 Failure Reason: Failed to create promise. User Info: { FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:isFromSerializedPlaceholder:error:]"; SourceFileLine = 818; } extensionDictionary must be set in placeholder attributes for an app extension placeholder Domain: IXErrorDomain Code: 17 Failure Reason: Invalid placeholder attributes. User Info: { FunctionName = "-[IXPlaceholder setPlaceholderAttributes:error:]"; SourceFileLine = 1999; } Event Metadata: com.apple.dt.IDERunOperationWorkerFinished : { "device_identifier" = "E645E32D-57B1-4A24-95A4-6BFD0062F51D"; "device_model" = "iPhone17,3"; "device_osBuild" = "18.4 (22E238)"; "device_platform" = "com.apple.platform.iphonesimulator"; "device_thinningType" = "iPhone17,3"; "dvt_coredevice_version" = "443.19"; "dvt_coresimulator_version" = "1010.10"; "dvt_mobiledevice_version" = "1784.102.1"; "launchSession_schemeCommand" = Run; "launchSession_state" = 1; "launchSession_targetArch" = arm64; "operation_duration_ms" = 38; "operation_errorCode" = 2; "operation_errorDomain" = IXErrorDomain; "operation_errorWorker" = IDELaunchiPhoneSimulatorLauncher; "operation_name" = IDERunOperationWorkerGroup; "param_debugger_attachToExtensions" = 0; "param_debugger_attachToXPC" = 1; "param_debugger_type" = 3; "param_destination_isProxy" = 0; "param_destination_platform" = "com.apple.platform.iphonesimulator"; "param_diag_113575882_enable" = 0; "param_diag_MainThreadChecker_stopOnIssue" = 0; "param_diag_MallocStackLogging_enableDuringAttach" = 0; "param_diag_MallocStackLogging_enableForXPC" = 1; "param_diag_allowLocationSimulation" = 1; "param_diag_checker_tpc_enable" = 1; "param_diag_gpu_frameCapture_enable" = 0; "param_diag_gpu_shaderValidation_enable" = 0; "param_diag_gpu_validation_enable" = 0; "param_diag_guardMalloc_enable" = 0; "param_diag_memoryGraphOnResourceException" = 0; "param_diag_mtc_enable" = 1; "param_diag_queueDebugging_enable" = 1; "param_diag_runtimeProfile_generate" = 0; "param_diag_sanitizer_asan_enable" = 0; "param_diag_sanitizer_tsan_enable" = 0; "param_diag_sanitizer_tsan_stopOnIssue" = 0; "param_diag_sanitizer_ubsan_enable" = 0; "param_diag_sanitizer_ubsan_stopOnIssue" = 0; "param_diag_showNonLocalizedStrings" = 0; "param_diag_viewDebugging_enabled" = 1; "param_diag_viewDebugging_insertDylibOnLaunch" = 1; "param_install_style" = 2; "param_launcher_UID" = 2; "param_launcher_allowDeviceSensorReplayData" = 0; "param_launcher_kind" = 0; "param_launcher_style" = 0; "param_launcher_substyle" = 0; "param_runnable_appExtensionHostRunMode" = 0; "param_runnable_productType" = "com.apple.product-type.application"; "param_structuredConsoleMode" = 1; "param_testing_launchedForTesting" = 0; "param_testing_suppressSimulatorApp" = 0; "param_testing_usingCLI" = 0; "sdk_canonicalName" = "iphonesimulator18.4"; "sdk_osVersion" = "18.4"; "sdk_variant" = iphonesimulator; } System Information macOS Version 15.3.2 (Build 24D81) Xcode 16.3 (23785) (Build 16E140) Timestamp: 2025-04-02T01:20:32+08:00

Hi there, We have an app targeted for children and we want to use the SkAdNetwork to track installs for campaigns. We don't want to track further in-app events (purchase etc.), just the install event. We added the SDK to our Unity app, listed the network identifiers in the plist file, configured the external campaign according to their instructions, but struggle to see any events for several weeks now. We see the following logs in the app: Registering install attribution pingback. Failed to migrate Install Attribution database schema from 17001 => 17400. SkAdNetwork: No pingbacks found while attempting to register/update. Error setting install attribution pingback registered for app: 1509727806, error: Error Domain=ASDErrorDomain code=1208 How can we debug this further? What does the error mean? Thank you very much! (I hope I posted in the correct forum topic. Apologies if not)

We are attempting to update our app to use the PTT framework, as it has been made clear that this will be required in a future iOS version as opposed to using the Unrestricted VoIP entitlement we are using for several features of our app. However, the behavior of this framework poses some problems with implementing our app's functionality: It is not possible to programmatically join a channel when the app is not in the foreground. This hinders our ability to implement the Automatically activate radio stream feature of our app, which allows users who have opted into this feature to immediately begin hearing live PTT audio from their agency following an incident alert. Having the app constantly "joined to a channel" and using the restoration delegate could potentially work, however this is not ideal as this would result in the PTT UI needing to be displayed at all times, even when no radio stream is activated. We have a "Text to Speech" option that, when enabled, reads out the content of an incident alert after the alert sound has played. This currently happens by triggering an AVSpeechSynthesizer in the PushKit incoming push callback. It may be possible to render TTS audio on the fly in a Notification Service Extension and assign it as the notification's sound, if that is possible this is less of a problem. We also use the PushKit callback to, again if the user has enabled it, activate a "Shake to Respond" feature, allowing a short period of time after receiving an incident alert in which the user can shake their device to indicate that they are responding to the incident. There does not appear to be any way to have the level of background execution required to implement this using an NSE, and this is of course beyond the scope of the PTT framework. What options do we have to be able to continue to provide this functionality, without risk of it being disabled in a future iOS version?

We are currently working on a zero-configuration networking compliant device thru avahi-daemon. Our Device want to have multiple Instance name for different services. Example InstanceA._ipps._tcp.local. InstanceA._ipp._tcp.local. InstanceB._ipps._tcp.local. InstanceB._ipp._tcp.local. Will BCT confuse this as multiple device connected in the network and cause it to fail? Does Bonjour only allows only a Single Instance name with multiple services?

iOS Storekit2 Appstore production environment, some user feedback in app purchase faliure, What our log records is StoreKitError.unknown，please How to solve problem, thanks

Dear community, Context My company operates in the European Union, where not so long ago there appeared the possibility to accept an ["Alternative Terms Addendum for Apps in the EU"] (https://developer.apple.com/contact/request/download/alternate_eu_terms_addendum.pdf), which, among others, gives us the possibility to use an alternative payment provider, other than Apple's In App Purchase PSP system (ref: Apple docs). My company did accept it and was granted the StoreKit External Purchase Entitlement (com.apple.developer.storekit.external-purchase) entitlement, with which we integrated a different PSP, so now we want to incorporate the reporting to Apple's External Purchase Server API. We are currently integrating with the External Purchase Server API and have encountered a couple of issues I would appreciate clarification on: Question 1 Is there a way to retrieve an overview or summary of the current subscription states on Apple’s servers as a result of the submitted reports to External Purchase Server API? Specifically, I would like to verify the expected outcomes before the monthly invoice is issued by Apple and to understand the subscription states for the test users I used during this process and for future reference as well. Question 2 In one scenario, I initiated a one-year subscription, and in the middle of its period, I submitted a RENEWAL for one month with a higher price. I expected the request to fail due to overlapping periods and/or pricing conflicts, but both submissions were accepted without error. Do you have an idea about: What happens at the end of the renewed month? Will the subscription continue with the renewed (higher) amount, revert to the original (lower) annual rate, or be canceled? Where can I view the final state and billing plan for that subscription? Thank you for your assistance, we are looking forward for any kind of help or information regarding this topic.

I’ve talked about EINTR a bunch of times here on DevForums. Today I found myself talking about it again. On reading my other explanations, I didn’t think any of them were good enough to link to, so I decided to write it up properly. If you have questions or comments, please put them in a new thread here on DevForums. Use the App & System Services > Core OS topic area so that I see it. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" Understanding EINTR Many BSD-layer routines can fail with EINTR. To see this in action, consider the following program: import Darwin func main() { print("will read, pid: \(getpid())") var buf = [UInt8](repeating: 0, count: 1024) let bytesRead = read(STDIN_FILENO, &buf, buf.count) if bytesRead < 0 { let err = errno print("did not read, err: \(err)") } else { print("did read, count: \(bytesRead)") } } main() It reads some bytes from stdin and prints the result. Build this and run it in one Terminal window: % ./EINTRTest will read, pid: 13494 Then, in other window, stop and start the process by sending it the SIGSTOP and SIGCONT signals: % kill -STOP 13494 % kill -CONT 13494 In the original window you’ll see something like this: % ./EINTRTest will read, pid: 13494 zsh: suspended (signal) ./EINTRTest % did not read, err: 4 [1] + done ./EINTRTest When you send the SIGSTOP the process stops and the shell tells you that. But looks what happens when you continue the process. The read(…) call fails with error 4, that is, EINTR. The read man page explains this as: [EINTR] A read from a slow device was interrupted before any data arrived by the delivery of a signal. That’s true but unhelpful. You really want to know why this error happens and what you can do about it. There are other man pages that cover this topic in more detail — and you’ll find lots of info about it on the wider Internet — but the goal of this post is to bring that all together into one place. IMPORTANT The description of the EINTR error, as returned by strerror and friends, is Interrupted system call. If you see code display or log that description, you’re dealing with EINTR. Signal and Interrupts In the beginning, Unix didn’t have threads. It implemented asynchronous event handling using signals. For more about signals, see the signal man page. The mechanism used to actually deliver a signal is highly dependent on the specific Unix implementation, but the general idea is that: The system decides on a specific process (or, nowadays, a thread) to run the signal handler. If that’s blocked inside the kernel waiting for a system call to complete [1], the system unblocks the system call by failing it with an EINTR error. Thus, every system call that can block [2] might fail with an EINTR. You see this listed as a potential error in the man pages for read, write, usleep, waitpid, and many others. [1] There’s some subtlety around the definition of system call. On traditional Unix systems, executables would make system calls directly. On Apple platforms that’s not supported. Rather, an executable calls a routine in the System framework which then makes the system call. In this context the term system call is a shortcut for a System framework routine that maps to a traditional Unix system call. [2] There’s also some subtlety around the definition of block. Pretty much every system call can block for some reason or another. In this context, however, a block means to enter an interruptible wait state, typically while waiting for I/O. This is what the above man page quote is getting at when it says slow device. Solutions This is an obvious pitfall and it would be nice if we could just get rid of it. However, that’s not possible due to compatibility concerns. And while there are a variety of mechanism to automatically retry a system call after a signal interrupt, none of them are universally applicable. If you’re working on a large scale program, like an app for Apple’s platforms, you only good option is to add code to retry any system call that can fail with EINTR. For example, to fix the program at the top of this post you might wrap the read(…) system call like so: func readQ(_ d: Int32, _ buf: UnsafeMutableRawPointer!, _ nbyte: Int) -> Int { repeat { let bytesRead = read(d, buf, nbyte) if bytesRead < 0 && errno == EINTR { continue } return bytesRead } while true } Note In this specific case you’d be better off using the read(into:retryOnInterrupt:) method from System framework. It retries by default (if that’s not appropriate, pass false to the retryOnInterrupt parameter). You can even implement the retry in a generic way. See the errnoQ(…) snippet in QSocket: System Additions. Library Code If you’re writing library code, it’s important that you handle EINTR so that your clients don’t have to. In some cases it might make sense to export a control for this, like the retryOnInterrupt parameter shown in the previous section, but it should default to retrying. If you’re using library code, you can reasonably expect it to handle EINTR for you. If it doesn’t, raise that issue with the library author. And you get this error back from an Apple framework, like Foundation or Network framework, please file a bug against the framework. Revision History 2025-04-13 Added the description of the error, Interrupted system call, to make it easier for folks to find this post. 2024-10-14 First posted.

I am currently developing an app that measures HRV to estimate stress levels. To align the values more closely with those from Galaxy devices, I decided not to use the heartRateVariabilitySDNN value provided by HealthKit. Instead, I extracted individual interbeat intervals (IBI) using the HKHeartBeatSeries data. Can I obtain accurate IBI data using this method? If not, I would like to know how I can retrieve more precise data. Any insights or suggestions would be greatly appreciated. Here is a sample code I tried. @Observable class HealthKitManager: ObservableObject { let healthStore = HKHealthStore() var ibiValues: [Double] = [] var isAuthorized = false func requestAuthorization() { let types = Set([ HKSeriesType.heartbeat(), HKQuantityType.quantityType(forIdentifier: .heartRateVariabilitySDNN)!, ]) healthStore.requestAuthorization(toShare: nil, read: types) { success, error in DispatchQueue.main.async { self.isAuthorized = success if success { self.fetchIBIData() } } } } func fetchIBIData() { var timePoints: [TimeInterval] = [] var absoluteStartTime: Date? let dateFormatter = DateFormatter() dateFormatter.timeZone = TimeZone(identifier: "Asia/Seoul") dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss.SSS" var calendar = Calendar.current calendar.timeZone = TimeZone(identifier: "Asia/Seoul") ?? .current var components = DateComponents() components.year = 2025 components.month = 4 components.day = 3 components.hour = 15 components.minute = 52 components.second = 0 let startTime = calendar.date(from: components)! components.hour = 16 components.minute = 0 let endTime = calendar.date(from: components)! let predicate = HKQuery.predicateForSamples(withStart: startTime, end: endTime, options: .strictStartDate) let sortDescriptor = NSSortDescriptor(key: HKSampleSortIdentifierStartDate, ascending: false) let query = HKSampleQuery(sampleType: HKSeriesType.heartbeat(), predicate: predicate, limit: HKObjectQueryNoLimit, sortDescriptors: [sortDescriptor]) { (_, samples, _) in if let sample = samples?.first as? HKHeartbeatSeriesSample { absoluteStartTime = sample.startDate let startDateKST = dateFormatter.string(from: sample.startDate) let endDateKST = dateFormatter.string(from: sample.endDate) print("series start(KST):\(startDateKST)\tend(KST):\(endDateKST)") let seriesQuery = HKHeartbeatSeriesQuery(heartbeatSeries: sample) { query, timeSinceSeriesStart, precededByGap, done, error in if !precededByGap { timePoints.append(timeSinceSeriesStart) } if done { for i in 1..<timePoints.count { let ibi = (timePoints[i] - timePoints[i-1]) * 1000 // Convert to milliseconds // Calculate absolute time for current beat if let startTime = absoluteStartTime { let beatTime = startTime.addingTimeInterval(timePoints[i]) let beatTimeString = dateFormatter.string(from: beatTime) print("IBI: \(String(format: "%.2f", ibi)) ms at \(beatTimeString)") } self.ibiValues.append(ibi) } } } self.healthStore.execute(seriesQuery) } else { print("No samples found for the specified time range") } } self.healthStore.execute(query) } }

Is there any way to obtain the ControlWidget installed by user, I use WidgetCenter.shared.getCurrentConfigurations cannot work

Issue Report 1.Multiple instances of the same widget from one app were added, but only one fails to display while others work normally. 2.Sometimes the widget displays blank on iOS 18.3.2 Technical Context Occurs intermittently Specific to iOS version 18.3.2 Widget content fails to render

Team, We are currently checking out on Apple Pay using ALL and MRU as currencies. We have authorized the payment via Touch ID; however, we are not receiving the onPaymentAuthorized event. Could you please confirm if Apple Pay supports ALL and MRU currencies? We have confirmed that it works with other currencies. Thank you!

I would like to add a Live Activity to my app, but unfortunately I always get an error message. When I go into the Identifiers via the Developer Portal and look at my app, there is no Activity Kit or Live Activity in the Capabilites that I could activate. In XCode I don't see the option for Signing & Capabilities either... Can anyone help me how to add this correctly? Thanks in advance!

Hi Community, I'm new on Siri intents and I'm trying to introduce into my App a Siri Intent for Car Commands. The objective is to list into the Apple Maps the Car list of my App. Currently I've created my own target with its corresponding IntentHandlings, but in the .intentdefinition file of my App, I'm not able to find the List Car Intent. https://developer.apple.com/documentation/sirikit/car-commands Do I need some auth? Also I share my info.plist from the IntentExtension. Thank you very much, David.

When I search, it's always people trying to do stuff in the background. I want my app to only do stuff when it is active. And this post https://developer.apple.com/forums/thread/685525 seems to have prevented replies from the start. Which means it's just a documentation page and does not belong in the discussion forums at all, because it prevents all discussion.

Hi Apple Support team, I would like to inform you that we were receiving push notifications to all regions. Recently we were facing push notifications are not receiving to brazil region. For all other regions we are receiving. We are using same APSN certificate. Any region specific permissions do we need to add. Please let me know. Thanks.

We have an application. We are monitoring the fence event. We are using 'startMonitoringForRegion' API. but we are not getting any fence event. Steps Create a fence using 'startMonitoringForRegion' API BG on APNS trigger. initial fence state 'didDetermineState' not received. From Syslogs we can see OS has detected but event is not given to Application We are compiling code using SDK18.0 Error ** locationd Fence: LAC monitoring is not sufficient for / ocationd Fence: no allowing wifi monitor for, 400.0, fence Feedback Ticket ID: FB17250308 Syslogs Snippet: debug 2025-04-15 12:45:40.890193 -0500 locationd FenceCal: combine non-fine non-large fence, distance, 0.0, / //OS detetected fence state default 2025-04-15 12:45:44.706232 -0500 locationd Fence: fenceUpdate, , bundle, , type, GPS , loc, 33.1171776, -96.6606076, acc, 19, distance, 17, tech, LC...+, trans, 0, state, 0, cont, 1, fence, 33.11728835, -96.66048288, 1011.0, 766431742.6, sCount, 0, 0, trig, 0, 3, sinceLastLoc, 10.0, events, 0x00001810, status, (Inside) => (Inside) , settled state, (Unknown) ==> (Unknown), cantShiftButNeedTo, 0, sinceLastTransition, -1.0, significant, 0, loi, 0, lastProximityStateTimestamp, -1.000000, lastProximityState, 0, lastApproachingState, 0 // debug 2025-04-15 12:45:44.706247 -0500 locationd Fence: LAC monitoring is not sufficient for / // debug 2025-04-15 12:45:44.706263 -0500 locationd Fence: no allowing wifi monitor for, 400.0, fence, Fence, []//, latitude, 33.11728835, longitude, -96.66048288, refFrame, 0, distance, 1011.0, eFistance, 1011.0, lDown, -1.0, time, 766431742.6, ctime, -1.0, flags, EX------, key, -1506186373, throttled, N, polygon, 0, envType, 2, locType, 0

I have a “1” above the setting app on my iPhone. However when I open settings there is no notification that shows up. I have tried force restarting and done the beta updates as they release however nothing works to got rid of it. What can I do?

We are currently integrating In-App Purchases for our app and have configured App Store Server Notifications (v2) in the Sandbox environment. During testing, we observed the following issue: When a transaction is cancelled, declined, or pending (e.g., Ask to Buy flows or authorization pending), No App Store Server Notification is sent to our webhook endpoint. We only receive webhook events where the status is "purchased". This becomes a critical problem for us because our backend must accurately track transaction states including failed and pending purchases, especially for wallet top-up use cases. Additionally, we tried mocking failed transactions (via Xcode local environment and turning off In-App Purchases from Developer Settings) to simulate a technical failure scenario. Even in these cases, no webhook notification was received when the purchase failed server-side. Is it expected behavior in Sandbox that only successful transactions ("purchased") trigger webhooks? Are failed or pending transactions suppressed in Sandbox intentionally? Will webhook behavior be different in Production (i.e., will we receive webhook notifications for failures there)? Is there any extra configuration or entitlement needed to fully test failure scenarios via webhooks in Sandbox?

Hi, We are trying to make the PKAddPaymentPassViewController to show the correct list of devices to where the pass can be added. We have analysed the documentation and we are using the PrimaryAccountIdentifier field which is the field that supposedly controls this behavior but the list of devices presented in the view controller always include one iPhone and one Apple Watch, regardless of where the card has been already added. We are initializing the PKAddPaymentPassRequestConfiguration object with: PKEncryptionScheme PrimaryAccountIdentifier CardholderName PrimaryAccountSuffix LocalizedDescription PaymentNetwork PrimaryAccountIdentifier CardholderName PrimaryAccountSuffix LocalizedDescription We have also verified the configuration in our payment pass processor and everything should be ok. We would like to have some help on achieving the desired flow for Apple Pay, which is to present the PKAddPaymentPassViewController with the correct list of available devices and not the full list. Thank you.